80:7.9

By 5000 b.c. the three purest strains of Adam’s descendants were in Sumeria, northern Europe, and Greece. The whole of Mesopotamia was being slowly deteriorated by the stream of mixed and darker races which filtered in from Arabia. And the coming of these inferior peoples contributed further to the scattering abroad of the biologic and cultural residue of the Andites. From all over the fertile crescent the more adventurous peoples poured westward to the islands. These migrants cultivated both grain and vegetables, and they brought domesticated animals with them.